540064361990 has 16 divisors (see below), whose sum is σ = 972785840400. Its totient is φ = 215876858400.

The previous prime is 540064361989. The next prime is 540064362043. The reversal of 540064361990 is 99163460045.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18595565 + ... + 18624584.

It is an arithmetic number, because the mean of its divisors is an integer number (60799115025).

Almost surely, 2^540064361990 is an apocalyptic number.

540064361990 is a deficient number, since it is larger than the sum of its proper divisors (432721478410).

540064361990 is a wasteful number, since it uses less digits than its factorization.

540064361990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37221607.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 540064361990 in words is "five hundred forty billion, sixty-four million, three hundred sixty-one thousand, nine hundred ninety".